The unusual sculptures are believed to be powerful political symbols.

A pair of connected skyscrapers form this symbolic gateway.

Two buildings named after their windows that make it look like a sea of television sets plastered to a wall.

Destroyed Serbian army headquarters sits half crumbled in a largely revitalized Belgrade.

A museum dedicated to the former country.

This sprawling concrete suburb of Kraków was designed by the Soviet Union as the model proletarian city.

At first glance, this area seems like just another city park, but the lush landscape hides a dark past.

Thousands of slain Soviet soldiers are buried within the shadow of this enormous obelisk.

A chapel on a volcanic core, marking the end of a successful journey.

The metal leaves on this tree are engraved with the names of Holocaust victims.

The inverted pyramid design of this station stands out amid Bratislava's urban landscape.

The largest fountain in Bratislava.

A sculpture of the beloved author surrounded by characters from his fairy tales.

This Slovak bridge is known both for its connection to a national uprising and its UFO-shaped eatery.

A historic and beautiful Art Nouveau chamber in a historic railway station.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

The unexpectedly beloved remnants of a controversial thermal power plant.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

The castle where the Marquis de Sade lived out his darkest fantasies.

A surprising relic of WWII, sitting boldly in a Marseille street.

Sky ships, planes, and portraits left as unique tokens of hope and thankfulness.

The only parking meter in the entire town, it is surrounded by 100 free spaces.

The first radio telescope dedicated to the Search for Extraterrestrial Intelligence.

A whimsical display of massive metal sculptures made from recycled materials.